<script lang="ts" name="TopCategory" setup>
import useStore from '@/store'
import { watchEffect } from 'vue';
import {useRoute} from 'vue-router'
import GoodsItem from './components/goods-item.vue'

const {category,home} = useStore()
home.getHomeBanner()
const route = useRoute()

// category.getTopCategory(route.params.id as string)

// vue3中的侦听器
// watch(()=>route.params.id,()=>{
//   category.getTopCategory(route.params.id as string)
// },{
//   immediate:true
// })

watchEffect(()=>{
  category.getTopCategory(route.params.id as string)
})

</script>

<template>
 <div class="top-category">
    <div class="container">
      <!-- 渲染面包屑导航 -->
      <SealBread>
        <SealBreadItem to="/">首页</SealBreadItem>
        <SealBreadItem>{{ category.topCategory.name }}</SealBreadItem>
      </SealBread>

      <!-- 
        一级分类下的轮播图 
        使用的还是首页的轮播图数据
      -->
      <SealCarousel :slides="home.bannerList" style="height:500px;" autoplay></SealCarousel>

      <!-- 所有二级分类 -->
      <div class="sub-list">
        <h3>全部分类</h3>
        <ul>
          <li v-for="item in category.topCategory.children" :key="item.id">
            <router-link :to="`/category/sub/${item.id}`">
              <img v-lazy="item.picture" >
              <p>{{item.name}}</p>
            </router-link>
          </li>
        </ul>
      </div>


      <!-- 二级分类关联商品楼层 -->
      <div class="ref-goods" v-for="item in category.topCategory.children" :key="item.id">
        <div class="head">
          <h3>- {{item.name}} -</h3>
          <p class="tag">温暖柔软，品质之选</p>
          <SealMore />
        </div>
        <div class="body">
          <GoodsItem :goods="sub" v-for="sub in item.goods" :key="sub.id" />
        </div>
      </div>


    </div>
  </div>
</template>

<style scoped lang="less">
.top-category {
  h3 {
    font-size: 28px;
    color: #666;
    font-weight: normal;
    text-align: center;
    line-height: 100px;
  }
  .sub-list {
    margin-top: 20px;
    background-color: #fff;
    ul {
      display: flex;
      padding: 0 32px;
      flex-wrap: wrap;
      li {
        width: 168px;
        height: 160px;
        a {
          text-align: center;
          display: block;
          font-size: 16px;
          img {
            width: 100px;
            height: 100px;
          }
          p {
            line-height: 40px;
          }
          &:hover {
            color: @sealColor;
          }
        }
      }
    }
  }
  .ref-goods {
    background-color: #fff;
    margin-top: 20px;
    position: relative;
    .head {
      .seal-more {
        position: absolute;
        top: 20px;
        right: 20px;
      }
      .tag {
        text-align: center;
        color: #999;
        font-size: 20px;
        position: relative;
        top: -20px;
      }
    }
    .body {
      display: flex;
      justify-content: flex-start;
      flex-wrap: wrap;
      padding: 0 65px 30px;
    }
  }
}
</style>